The age of multitasking needs better narrative history. It must be absolutely factual, immediately accessible, smart, and brilliantly fun. Enter Andrew Helfer, the award-winning graphic-novel editor behind "Road" "to Perdition "and "The History of Violence," and welcome the launch of a unique line of graphic biographies. If a picture is worth a thousand words, these graphic biographies qualify as tomes. But if you're among the millions who haven't time for another doorstop of a biography, these books are for you. In "Ronald Reagan," Helfer teams up with comic artist Steve Buccellato to show the stunning evolution of Reagan from a modest acting talent into what many Americans now view as the gold standard for American governance, a story made for the graphic medium